package com.sky.mapper;

import com.sky.annotation.AutoFill;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    //动态条件查询购物车
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    //根据id修改商品数量
    @Update("update shopping_cart set number = #{number} where id = #{id} ")
    void updateNumberById(ShoppingCart shoppingCart);

    //插入购物车数据
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "values (#{name} ,#{image} ,#{userId} ,#{dishId} ,#{setmealId} ,#{dishFlavor} ,#{number} ,#{amount} ,#{createTime} )")
    void insert(ShoppingCart shoppingCart);

    //清空购物车
    @Delete("delete from shopping_cart where user_id = #{userId} ")
    void deleteByUserId(Long userId);

    //删除购物车中一个商品
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

    // 将购物车对象批量添加到数据库
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
